Radioactivity 0.0 / 5 ? PhysicsRadioactivityGCSEOCR Created by: revisionworld478Created on: 15-04-14 13:15 material that gives out ionising radiation all the time Radioactive 1 of 13 The place the ionising radiation comes from nuclei 2 of 13 what the E stands for in E=mc2 energy 3 of 13 this radiation is absorbed by paper alpha 4 of 13 this radiation travels tens of cm beeta 5 of 13 this radiation is too intense to ever be completely absorbed gamma 6 of 13 atoms of an element that have different mass numbers isotopes 7 of 13 the joining together of 2 nuclei=nuclear... fusion 8 of 13 atoms are radioactive if the balance of protons+neutrons is too.... unequal 9 of 13 during beeta decay the neutron splits into a proton and a... electron 10 of 13 the time taken for half the atoms in a sample to decay half-life 11 of 13 the atomic... stays the same during beeta decay mass 12 of 13 the atomic... decreases by 2 during alpha decay number 13 of 13
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